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Difference between revisions of "Tweaking Linux"
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===Use tcmalloc/jemalloc instead of Glibc malloc=== | ===Use tcmalloc/jemalloc instead of Glibc malloc=== | ||
| − | Glibc's malloc is not as performant or scalable as tcmalloc, or even jemalloc. You can expect some small to massive performance gains[https://github.com/blog/1422-tcmalloc-and-mysql <sup>1</sup>] by forcing software to use your memory allocator of choice | + | Glibc's malloc is not as performant or scalable as tcmalloc, or even jemalloc. You can expect some small to massive performance gains[https://github.com/blog/1422-tcmalloc-and-mysql <sup>1</sup>], depending on your workload, by forcing software to use your memory allocator of choice. |
To do this, use your preferred editor to create: | To do this, use your preferred editor to create: | ||
Revision as of 02:54, 1 February 2016
This dongle is a This article was created for Linux users to share tips and tricks with each other.
Contents
General tweaks
Use tcmalloc/jemalloc instead of Glibc malloc
Glibc's malloc is not as performant or scalable as tcmalloc, or even jemalloc. You can expect some small to massive performance gains1, depending on your workload, by forcing software to use your memory allocator of choice.
To do this, use your preferred editor to create:
/etc/ld.so.preload
/usr/lib/lib*.so
... where * is either jemalloc, or tcmalloc.
Xorg server
Disable mouse acceleration in X
In order to disable mouse acceleration use your text editor of choice to create:
/etc/X11/xorg.conf.d/50-mouse-acceleration.conf
Section "InputClass" Identifier "My Mouse" Option "AccelerationNumerator" "1" Option "AccelerationDenominator" "1" Option "AccelerationThreshold" "0" EndSection
Your config file will take effect the next time you start X.
